Risk Letters

Exploited vulnerability

CVE-2017-20288

TLP:CLEAR

qcubed qcubed Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

QCubed 2.2.0 through 3.1.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the installation_path parameter. Attackers can craft GET requests to /assets/php/_devtools/installer/step_2.php with malicious installation_path values echoed unescaped, executing JavaScript in victims' browsers. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.

Facts

  • Vendor: QCubed
  • Product: QCubed
  • EPSS (probability of exploitation within 30 days): 0.3 %
  • First known exploitation: 22 October 2026
  • First seen by Risk Letters: 22 October 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD